| A | B |
|---|
| John Napier | Bones |
| Blaise Pascal | Automatic Calculating machine |
| Gottfried Leibnez | Caculas |
| Charles Xavier Thomas | Arithmonter |
| Joseph Jacquard | Jacquard lume |
| Charles Babbage | 1st modem computing device |
| George Stibitz | Sweadish Calculating machine |
| Augusta Ada Byron | 1st female computer Scientist |
| Herman Hollerith | Automatic Census Bearu |
| Thomas Watson Jr. | IBM |
| Alan Turning | Turing Machine |
| George Stibitz | Modem K |
| John Atanasoff | 1st electronic computer |
| Dr. Howard Aiken | Mark 1 computer for IBM |
| Dr. John Mauchly and Presper Eckert | Eniac |
| John Bardeen William Shockley and Wlater Brittian | Transisters |
| John von Neumann | Sored program concept |
| Dr. Daniel Slotnick | Illiac |
| Robert Noyce and Jack Kilby | INtegrates Circut |
| Alan Kay | Interface |
| Grace Hopper | Mother of cobal |
| Ted Hoff | Micro Processor |
| Ed Roberts | Altir |
| Donald Knuth | Text type setting system |
| Steve Jobs and Paul Allen | Apple |
| Bill Gates and Paul Allen | Microsoft |
| Steve Case | AOL |
| Lawrence Elliisson | Oracle |
